Punctate Inner Choroidopathy (PIC) is a rare inflammatory eye condition affecting the choroid and retinal pigment epithelium, which are crucial structures at the back of the eye enabling sight. In short, it's an inflammatory disease affecting the inner layers of the eye.
Understanding Punctate Inner Choroidopathy (PIC)
PIC is characterized by small, discrete, yellow-white spots (punctate lesions) that appear in the inner choroid and retinal pigment epithelium. These lesions are typically located in the macula (central part of the retina responsible for detailed vision) or around the optic nerve.
Key Characteristics of PIC:
- Inflammation: The primary feature of PIC is inflammation affecting the choroid and retinal pigment epithelium.
- Punctate Lesions: The hallmark of PIC are small, distinct spots visible during an eye exam.
- Location: These lesions typically affect the macula or the area surrounding the optic nerve.
- Rare Condition: PIC is considered a relatively uncommon eye disease.
- Chronic Nature: PIC is often a chronic condition, meaning it can persist for a long time, with periods of activity and remission.
Symptoms of PIC:
Symptoms can vary but may include:
- Blurred vision
- Scotomas (blind spots in vision)
- Photopsia (flashes of light)
- Metamorphopsia (distorted vision)
Diagnosis and Treatment:
Diagnosis typically involves a comprehensive eye exam, including imaging techniques like fundus photography, fluorescein angiography (FA), and optical coherence tomography (OCT). Treatment often involves corticosteroids to reduce inflammation. In some cases, other immunosuppressant medications may be necessary.
In summary, Punctate Inner Choroidopathy (PIC) is a rare inflammatory eye condition characterized by small spots at the back of the eye, leading to various visual disturbances. Early diagnosis and appropriate treatment are essential to minimize vision loss.